Tilmann developed and released version 1.7.0 of the phtree-cpp module for the bazelbuild/bazel-central-registry repository, focusing on enhancing Bazel-based build workflows. He introduced new dependencies and updated Bazel build configurations to improve downstream integration and build reliability. Tilmann validated the release for compatibility with Bazel, ensuring that teams adopting the module could do so with minimal friction. His work included updating release notes and integration guidelines, supporting a smooth migration path for stakeholders. The project leveraged skills in Bazel, dependency management, and module development, with technical implementation involving Bazel and JSON to manage build and configuration data.